Abbe's refractometer || use and working || Mr. Satbir singh
Chapter 7 Refractometry
Refractometry is the analytical method of measuring substances' refractive index in order to, for example, assess their composition or purity. A refractometer is the instrument used to measure refractive index ("RI"). Although refractometers are best known for measuring liquids, they are also used to measure gases and solids; such as glass and gemstones.
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